Related Party Transactions - Fees Incurred and Income Received (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Related Party Transaction [Line Items]
Net total	$ 10,979	$ 34,382	$ 37,858	$ 66,141
AHMC
Related Party Transaction [Line Items]
AHMC – Risk pool and Capitation	11,215	35,771	39,165	69,169
HSMSO
Related Party Transaction [Line Items]
Management fees, net	(160)	(1,311)	(1,075)	(2,786)
Aurion
Related Party Transaction [Line Items]
Management fees, net	$ (76)	$ (78)	$ (232)	$ (242)

Revenue from insurance services, including net premiums earned, gain on sale of insurance block, agency management fees and insurance contract fees and commissions.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04.1,4)
-URI http://asc.fasb.org/extlink&oid=114873790&loc=SL114874131-224263

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- Definition

Amount of expenses related to the managing member or general partner for management of the day-to-day business functions of the limited liability company (LLC) or limited partnership (LP).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Reflects the sum of all other revenue and income realized from sales and other transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party during the period.

+ References

No definition available.

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